Amarachi Paschaline Onyena | Biodiversity And Conservation | Best Researcher Award

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Dr. Amarachi Paschaline Onyena | Biodiversity And Conservation | Best Researcher Award

Lecturer | Nigeria Maritime University | Nigeria

Dr. Amarachi Paschaline Onyena’s research spans marine biology and aquatic environmental science, with a core focus on water sediment quality assessment, benthic macroinvertebrate ecology, ecotoxicology, molecular characterization, and environmental risk evaluation. Her work examines how pollutants such as heavy metals, hydrocarbons, and microplastics influence aquatic ecosystems, using integrated approaches that combine biomonitoring tools, molecular techniques, and analytical assessments to understand contamination pathways, ecological stress responses, and indicators of ecosystem degradation. She contributes extensive research on mangrove ecosystem dynamics, sediment biogeochemistry, and the role of macrobenthic communities as sensitive bioindicators of environmental change. Through field investigations, experimental analyses, and systematic reviews across diverse Nigerian aquatic environments, she provides evidence-based insights for pollution mitigation, microplastic monitoring, and sustainable aquatic resource governance. Her involvement in environmental risk assessments, consultancy-based evaluations, and collaborative marine studies supports policy development for coastal sustainability and blue-economy advancement. Contributions to global platforms, including work for the United Nations World Ocean Assessment, reflect her commitment to translating scientific findings into practical frameworks for ocean governance. With 590 citations, 29 indexed documents, and an h-index of 12, her growing research impact highlights her role in advancing marine pollution science, improving environmental monitoring frameworks, and promoting evidence-based strategies for resilient coastal and marine ecosystems.

Profiles : Google Scholar | Scopus

Featured Publication

Onyena, A. P., & Sam, K. (2020). A review of the threat of oil exploitation to mangrove ecosystem: Insights from Niger Delta, Nigeria. Global Ecology and Conservation, 22, e00961.

Onyena, A. P., Aniche, D. C., Ogbolu, B. O., Rakib, M. R. J., Uddin, J., & Walker, T. R. (2021). Governance strategies for mitigating microplastic pollution in the marine environment: A review. Microplastics, 1(1), 15–46.

Rakib, M. R. J., Rahman, M. A., Onyena, A. P., Kumar, R., Sarker, A., Hossain, M. B., … (2022). A comprehensive review of heavy metal pollution in the coastal areas of Bangladesh: Abundance, bioaccumulation, health implications, and challenges. Environmental Science and Pollution Research, 29(45), 67532–67558.

Chris, D. I., Onyena, A. P., & Sam, K. (2023). Evaluation of human health and ecological risk of heavy metals in water, sediment and shellfishes in typical artisanal oil mining areas of Nigeria. Environmental Science and Pollution Research, 30(33), 80055–80069.

Sam, K., Onyena, A. P., Zabbey, N., Odoh, C. K., Nwipie, G. N., Nkeeh, D. K., Osuji, L. C., … (2023). Prospects of emerging PAH sources and remediation technologies: Insights from Africa. Environmental Science and Pollution Research, 30(14), 39451–39473.

The nominee’s work advances environmental sustainability by providing evidence-based insights into pollution risks affecting coastal and marine ecosystems. Their research supports stronger policies, healthier communities, and long-term ecosystem resilience.

Estelle Crochelet | Biodiversity and conservation | Best Researcher Award

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Dr. Estelle Crochelet | Biodiversity and conservation | Best Researcher Award 

Scientific Director | University of Reunion Island | Reunion 

Dr. Estelle Crochelet’s research focuses on marine ecology, biodiversity conservation, and sustainable management of tropical and island ecosystems in the Western Indian Ocean. As a Marine Ecologist at the Biodiversity Research Agency of Réunion Island (ARBRE), she integrates field ecology, molecular analysis, and spatial modeling to study coral reef systems, mesophotic ecosystems, and species connectivity. Her pioneering application of environmental DNA (eDNA) techniques has transformed biodiversity monitoring by enabling the detection of rare and cryptic species such as sharks and rays, advancing ecosystem-based management and conservation planning. Through leadership roles in major initiatives including the IRRAE, MAEO, and CONCILIER programs, Dr. Crochelet has contributed to integrated coral reef management, linking ecological research with territorial planning and policy implementation. Her interdisciplinary work, combining marine biology, remote sensing, and ecological modeling, has generated valuable insights into habitat connectivity, reef resilience, and marine spatial planning. Collaborating with organizations such as IUCN, IRD, and the French Biodiversity Office, she has played a vital role in shaping regional conservation strategies and advancing scientific understanding of marine ecosystems. Widely published in prestigious journals such as Nature, Science, Environmental DNA, and Deep Sea Research, Dr. Crochelet’s work has global relevance, addressing the challenges of biodiversity loss and climate impacts on marine environments. Alongside her scientific achievements, she mentors emerging researchers, leads citizen science initiatives, and promotes public awareness of ocean conservation. A certified professional diver, rebreather user, and drone pilot, she combines technical field expertise with innovative research approaches, making significant contributions to sustainable marine governance and biodiversity preservation in the Southwestern Indian Ocean.

Profiles : Scopus | ORCID

Featured Publications

Crochelet, E., Desbonnes, O., Inçaby, L., Nazurally, N., Stevens, G., van Beuningen, D., Gadenne, J., Morand, G., Bertrand, G., & Nikolic, N. (2025). Biodiversity and conservation of elasmobranchs in the Mascarene Islands: Policy implementation and protection strategies. Ocean & Coastal Management, 262, 107921.

Crochelet, E., Barrier, N., Andrello, M., Marsac, F., Spadone, A., & Lett, C. (2020). Connectivity between seamounts and coastal ecosystems in the Southwestern Indian Ocean. Deep-Sea Research Part II: Topical Studies in Oceanography, 180, 104774.

Bourjon, P., Crochelet, E., & Fricke, R. (2019). First record of the large caerulean damselfish, Pomacentrus caeruleopunctatus (Actinopterygii: Perciformes: Pomacentridae), from Réunion Island, southwest Indian Ocean. Acta Ichthyologica et Piscatoria, 49(3), 293–297.

Queiroz, N., Humphries, N. E., Couto, A., Vedor, M., da Costa, I., Sequeira, A. M. M., Mucientes, G., Santos, A. M., Abascal, F. J., Abercrombie, D. L., et al. (2019). Global spatial risk assessment of sharks under the footprint of fisheries. Nature, 572(7770), 461–466.

Soria, M., Heithaus, M. R., Blaison, A., Crochelet, E., Forget, F., & Chabanet, P. (2019). Residency and spatial distribution of bull sharks Carcharhinus leucas in and around Réunion Island marine protected area. Marine Ecology Progress Series, 626, 85–97.

Dr. Estelle Crochelet’s research advances global marine conservation through innovative studies on elasmobranch ecology, connectivity, and policy implementation across the Mascarene and Western Indian Ocean. Her work bridges ecological modeling, spatial management, and biodiversity protection—informing sustainable fisheries, strengthening marine protected areas, and shaping evidence-based conservation strategies that safeguard ocean ecosystems and coastal livelihoods worldwide.

Dr.Zwannda Nethavhani | Biodiversity and conservation | Young Scientist Award

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Dr. Zwannda Nethavhani | Biodiversity and conservation | Young Scientist Award

Researcher at Agricultural Research Council, South Africa

Dr. Zwannda Nethavhani is a passionate biodiversity researcher specializing in genetics, biosystematics, and conservation science. With a strong academic foundation and a PhD in Genetics from Stellenbosch University, she has contributed significantly to the understanding of edible insects, termites, pangolins, and Lepidoptera. Currently serving as a Researcher at the Agricultural Research Council’s Biosystematics Unit, she employs integrative taxonomic approaches combining morphological and molecular tools. Dr. Nethavhani has experience in mentoring students, leading conservation-centered research, and presenting findings through respected publications and conferences. Her work bridges science and community, especially in sustainable resource use and species protection in Africa. She is a rising leader in conservation genetics and insect biodiversity, with a vision for knowledge translation and biodiversity preservation across ecosystems.

Professional Profile 

ORCID Profile

Education

Dr. Nethavhani earned her PhD in Genetics from Stellenbosch University , focusing on cataloguing edible insect biodiversity in South Africa. Her research integrated advanced molecular techniques such as DNA barcoding, RAD-sequencing, mitogenomics, and population genetics. Prior to this, she completed an MSc in Zoology at the University of Venda, where she analyzed the spatial structure and sustainable harvesting of Mopane worms. Her Honours explored the impact of environmental stressors on ant biodiversity using statistical modeling in R. She also holds a BSc in Botany and Zoology. Her academic journey reflects a consistent focus on African invertebrate species, conservation ecology, and molecular systematics—skills that position her as a subject matter expert in the field of biodiversity genomics.

Experience

Dr. Nethavhani brings over Nine years of progressive experience in biodiversity and conservation research. As a current researcher at the ARC’s Biosystematics Unit, she manages projects on Lepidoptera systematics, curates collections, and leads collaborations. Her prior postdoctoral work at Tshwane University of Technology involved pangolin conservation, mapping trafficking routes and identifying parasites. At Stellenbosch University, she was a lab supervisor, co-supervised student theses, and served as a practical demonstrator in molecular genetics. Her foundational experience at SANBI, where she supported insect taxonomy for the FBIP-Karoo BioGaps project, shaped her taxonomic and ecological acumen. Zwannda excels at integrating laboratory techniques with fieldwork and public outreach—vital for bridging research with real-world impact.

Award and Honor

Dr. Zwannda Nethavhani’s academic and research contributions have earned her recognition in the field of conservation biology. While specific awards are not listed in the document, her selection for multiple prestigious research roles—such as the postdoctoral fellowship at Tshwane University of Technology and her appointment at the Agricultural Research Council—demonstrates trust in her scholarly merit and leadership capacity. She has published in high-impact journals like Conservation Genetics, PeerJ, and Global Ecology and Conservation, which highlights her scientific credibility and international recognition. Additionally, her role in capacity building through mentorship and teaching has amplified her influence beyond publications. Her trajectory reflects a researcher consistently entrusted with responsibilities that signal excellence, innovation, and societal contribution—qualities that merit consideration for academic and research awards.

Research Focus

Dr. Nethavhani’s research centers on the biodiversity, conservation, and systematics of African insects and endangered species. Her PhD focused on the genomics of edible insects, specifically using DNA barcoding and mitogenomics to catalog species for sustainable use. She has extensively researched the genus Macrotermes, pangolins, and various Lepidoptera using both morphological and molecular data to resolve phylogenetic and taxonomic challenges. A significant area of her work includes conservation genomics—applying genetic tools to inform species protection and combat illegal wildlife trade, particularly for pangolins. Her integrative approach—bridging taxonomy, phylogenetics, conservation policy, and education—addresses biodiversity threats while supporting capacity-building and sustainable ecosystems. Her research is not only scientifically relevant but also socially responsive, making her work both innovative and impactful.

Research Skill

Dr. Nethavhani has a robust skill set spanning laboratory, computational, and field-based research. Her technical proficiencies include DNA extraction, PCR, Sanger and Next-Generation Sequencing (including RAD-seq), and bioinformatics analyses using software such as Geneious, MEGA, MrBayes, PhyloBayes, IQ-tree, and BEAST. She’s proficient in phylogenetic reconstruction, species delimitation, and population genetics using DnaSP, Arlequin, and haplotype networks. She also uses R and QGIS for statistical and spatial analyses. Beyond lab work, she is experienced in specimen curation, collection management, and field surveys. Dr. Nethavhani is skilled in mentoring students, preparing course content, conducting practical lab demonstrations, and writing scientific and popular articles. These multifaceted competencies allow her to work independently and collaboratively across institutions, contributing to impactful research and teaching.

Publication Top Notes

Title: Under the scales: Identification of ticks in rehabilitated African pangolins and confiscated scales
International Journal for Parasitology: Parasites and Wildlife
Year: 2025 (December)
DOI: 10.1016/j.ijppaw.2025.101117
Co-authors: Thando Radebe, Catherine Maria Dzerefos, Essa Suleman, Raymond Jansen

Title: Scaly trade: Analyses of the media reports of pangolin (Pholidota) scale interceptions within and out of Africa
Global Ecology and Conservation
Year: 2025 (September)
DOI: 10.1016/j.gecco.2025.e03669
Co-authors: Catherine Maria Dzerefos, Raymond Jansen

Title: Multimarker genetic analyses of Gonimbrasia belina, the most harvested wild edible insect of mopane woodlands in Southern Africa, supports concerns over the sustainability of the species
Conservation Genetics
Year: 2025 (June)
DOI: 10.1007/s10592-025-01687-1
Co-authors: Ruan Veldtman, Casper Nyamukondiwa, William Versfeld, Barbara van Asch

Title: Mitogenomics of the Olive Seed Weevil, Anchonocranus oleae Marshall and Implications for Its Phylogenetic Position in Curculionidae
Insects
Year: 2022 (July 6)
DOI: 10.3390/insects13070607
Co-authors: Samuel J. Smit, Elleunorah Allsopp, Virgilio Caleca, Rolf G. Oberprieler, Barbara van Asch

Title: Mitogenomics and phylogenetics of twelve species of African Saturniidae (Lepidoptera)
PeerJ
Year: 2022 (April 18)
DOI: 10.7717/peerj.13275

Title: Overview of the Genetic Diversity of African Macrotermes (Termitidae: Macrotermitinae) and Implications for Taxonomy, Ecology and Food Science
Insects
Year: 2021 (June 3)
DOI: 10.3390/insects12060518

Conclusion

Dr. Zwannda Nethavhani embodies the qualities of a visionary scientist: innovative, community-driven, technically skilled, and academically accomplished. Her contributions to biodiversity, from molecular systematics to conservation research, have significant implications for African ecosystems and beyond. She is a powerful advocate for the sustainable use of natural resources, mentorship, and public science engagement. With her interdisciplinary expertise and growing body of high-quality research outputs, Dr. Nethavhani stands as an exemplary candidate for research accolades and continued leadership in conservation science.

Nengwen Xiao | Biodiversity and conservation | Best Researcher Award

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Prof. Dr. Nengwen Xiao | Biodiversity and conservation | Best Researcher Award

Deputy Director at Chinese Research Academy of Environmental Sciences, China

Dr. Nengwen Xiao is an accomplished environmental scientist and deputy director at the Chinese Research Academy of Environmental Sciences. With a prolific academic and professional background, he has made substantial contributions to ecology, biodiversity conservation, and environmental monitoring. Dr. Xiao has been instrumental in developing technical protocols for biodiversity surveys across China and has overseen more than 50 research projects, many of them national-level. He serves as a doctoral supervisor, editor, and a key figure in various ecological committees. His interdisciplinary work bridges ecosystem services, environmental DNA/RNA, and urban ecology, contributing over 160 scientific papers and 24 books to the global research community. With strong industry ties and 35 consultancy projects, he blends science with practical applications. His innovation is further reflected in 10 patents and his leadership in national conservation policies.

Professional Profiles📖

Scopus

ORCID 

🎓 Education

Dr. Xiao earned his doctoral degree in ecology from the Institute of Zoology, Chinese Academy of Sciences (2002–2005). He subsequently completed a prestigious postdoctoral fellowship at the Ecological Environment Research Center, Chinese Academy of Sciences (2005–2007), focusing on environmental systems and biodiversity. His academic journey is marked by rigorous training in ecological science, conservation biology, and advanced monitoring techniques. The depth of his training positioned him as an expert in integrating traditional biodiversity studies with emerging molecular tools like eDNA and eRNA. Over the years, he has continuously enriched his expertise through collaborative research and doctoral supervision at institutions such as Tongji University. His solid academic foundation laid the groundwork for his leadership roles in ecological conservation, environmental technology, and national biodiversity policy-making.

💼 Professional Experience

With over two decades of experience, Dr. Nengwen Xiao currently serves as Deputy Director at the Institute of Ecology, Chinese Research Academy of Environmental Sciences. He has led 50+ national and local research projects and guided policy-making at the Ministry of Ecology and Environment as Technical Director for Biodiversity Assessment. He is a doctoral supervisor and also serves on the editorial board of the Journal of Applied and Environmental Biology. Dr. Xiao holds leadership roles in the Chinese Society of Ecology and the Chinese Society of Environmental Sciences. His experience spans research, education, policy advising, and interdisciplinary collaboration, making him an authority in ecological monitoring, biodiversity conservation, and ecosystem services. His professional journey reflects a consistent focus on integrating research with environmental governance, and he remains at the forefront of innovations in ecological assessment and monitoring.

🏆 Awards & Honors

Dr. Xiao has received multiple honors in recognition of his outstanding contributions to environmental science and ecology in China. As a recognized leader in biodiversity and ecosystem assessment, his work has influenced both academic and governmental approaches to conservation. He has earned several national science and technology awards and is regularly invited to high-level policy discussions. His 160+ publications, including more than 50 SCI-indexed papers, have garnered over 1,000 citations in SCI, 1,600+ in Scopus, and 1,400+ on ResearchGate, highlighting the global impact of his research. His books, patents, and editorial appointments further illustrate his commitment to scientific excellence. Additionally, his role as Director and Deputy Director in professional ecological committees signifies his recognition as a national authority in the field.

🧪 Research Focus

Dr. Xiao’s research is primarily centered on biodiversity assessment, environmental DNA/RNA monitoring, urban ecology, and ecosystem services. He is at the forefront of integrating molecular tools with traditional ecological methods to improve environmental monitoring accuracy. His contributions to national biodiversity conservation plans have involved organizing and directing large-scale surveys in priority conservation areas and watersheds. He is deeply involved in establishing technical standards for ecological assessment at the county level. His current focus includes applying eDNA technologies to monitor aquatic and terrestrial biodiversity in rapidly urbanizing regions. His interdisciplinary research bridges science, policy, and environmental management, addressing pressing issues like habitat degradation, species monitoring, and ecosystem service valuation. Through collaboration and leadership, he continues to pioneer sustainable solutions that support ecological resilience in China and beyond.

🧠 Skills 

Dr. Xiao brings a wide array of technical and leadership skills. His core strengths include biodiversity survey techniques, environmental DNA/RNA analysis, ecological modeling, and GIS-based urban ecology mapping. He is also proficient in scientific writing, research management, and policy development. His ability to translate complex ecological data into actionable strategies has benefited government agencies and academic institutions alike. His project management capabilities are demonstrated by his leadership in over 50 research and 35 consultancy projects. He has deep editorial experience and peer-review expertise, and his communication skills are evident in his role as a doctoral supervisor and mentor. His patent achievements highlight his innovation in environmental monitoring tools. His policy advising and committee roles show his strength in scientific diplomacy and environmental governance, making him a multi-faceted leader in the global environmental science community.

Publications Top Notes

Study on Fish Diversity and Drivers Based on Environmental DNA in Chishui River, China
Citations: 0
Year: 2025

Benthic macroinvertebrate diversity and community pattern in Chaobai River Basin, Beijing
Citations: 0
Year: 2025

Exploring Diversity and Distribution Characteristics of Amphibians in Chaohu Lake Based on Environmental DNA
Citations: 1
Year: 2024

The Impact of Different Prevention and Control Measures on the Nematode Community in Tobacco Fields
Citations: 0
Year: 2024

Different Adaption Strategies of Abundant and Rare Microbial Communities in Sediment and Water of East Dongting Lake
Citations: 0
Year: 2024

Spatial and Temporal Characteristics of Fractional Vegetation Cover and Its Response to Urbanization in Beijing
Citations: 5
Year: 2024

Biotic and abiotic factors interplay in structuring the dynamics of microbial co-occurrence patterns in tropical mountainsides
Citations: 9
Year: 2024

Nutrient enrichment decreased the Cross-Taxon congruence across bacteria, fungi, and zoobenthos in sediment
Citations: 2
Year: 2024

Chromosome-level genome of putative autohexaploid Actinidia deliciosa provides insights into polyploidisation and evolution
 Citations: 7
 Year: 2024

Conclusion✅